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Mathematics / Year 7 / Number and Algebra / Number and place value

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Australian Curriculum, Assessment and Reporting Authority

Curriculum content descriptions

Investigate index notation and represent whole numbers as products of powers of prime numbers (ACMNA149)

Elaborations

defining and comparing prime and composite numbers and explaining the difference between them
applying knowledge of factors to strategies for expressing whole numbers as products of powers of prime factors, such as repeated division by prime factors or creating factor trees
solving problems involving lowest common multiples and greatest common divisors (highest common factors) for pairs of whole numbers by comparing their prime factorisation

General capabilities

Numeracy

ScOT terms

Indices, Prime numbers

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Catalyst: Graham's number

TLF-IDM015447

If you were asked what the biggest number you can think of is, what would you say? Infinity? Well, what about the biggest finite number you can think of? Mathematician Ron Graham came across such a gigantic number in his research that, to capture its massive size, he and his colleagues needed to come up with new methods ...

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